[1]武向良,高聚林,王志刚,等.不同时期灌溉对大豆叶片生理特性及水分利用效率的影响[J].大豆科学,2007,26(05):695-699.[doi:10.3969/j.issn.1000-9841.2007.05.011]
　WU Xiang-liang,GAO Ju-lin,WANG Zhi-gang,et al.EFFECT OF IRRIGATION AT DIFFERENT GROWTH STAGES ON WATER USE EFFICIENCY AND LEAF PHYSIOLOGICAL CHARACTERISTICS OF SOYBEAN[J].Soybean Science,2007,26(05):695-699.[doi:10.3969/j.issn.1000-9841.2007.05.011]
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不同时期灌溉对大豆叶片生理特性及水分利用效率的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第26卷 期数: 2007年05期 页码: 695-699 栏目: 出版日期: 2007-10-25
Title:
EFFECT OF IRRIGATION AT DIFFERENT GROWTH STAGES ON WATER USE EFFICIENCY AND LEAF PHYSIOLOGICAL CHARACTERISTICS OF SOYBEAN
文章编号:
1000-9841(2007)05-0695-05
作者:
武向良1; 高聚林1; 王志刚1; 李丽君1; 张白鸽1; 黄振刚2;  黄复民2; 王建明3; 李树芳3
1内蒙古农业大学农学院，呼和浩特 010019；
2扎兰屯市农业技术推广中心，扎兰屯市 162650；
3阿荣旗农业技术推广中心，阿荣旗 162750
Author(s):
WU Xiang-liang1; GAO Ju-lin1; WANG Zhi-gang1; LI Li-jun1; ZHANG Bai-ge1; HUANG Zhen-gang2; HUANG Fu-min2; WANG Jian-ming3; LI Shu-fang3
1College of Agronomy，Inner Mongolia Agricultural University，Huhhot 010019；
2Center of Agricultural Technology Promotion，Zalantun 162650；
3Center of Agricultural Technology Promotion，Arongqi 162750
关键词:
大豆; 灌水; 水分利用效率
Keywords:
Soybean; Irrigation; Water use efficiency (WUE )
分类号:
S565.1
DOI:
10.3969/j.issn.1000-9841.2007.05.011
文献标志码:
A
摘要:
在大豆不同生育时期进行灌水处理，产量存在显著差异。分别是开花期>开花期+鼓粒期>结荚期>鼓粒期>对照>分枝期。开花期灌水能提高叶绿素含量，降低气孔导度和蒸腾速率，提高光合速率，使水分利用效率达到最大。在大豆鼓粒期水分胁迫下不同磷肥处理表明，在一定范围内（0～0.56 g/盆）增施磷肥有利于提高光合速率，降低蒸腾速率，提高水分利用效率。因此，在生产实践中，开花期灌水一次，灌水量为40 m3667 m-2，并配合增施磷肥，能提高大豆叶片光合性能、叶片水分利用效率和产量。
Abstract:
The effect of irrigation at different growth stages on leaf physiological characteristics and water use efficiency (WUE) in soybean were investigated.Results showed that irrigation at different growth stages had significant effect on soybean yield，and the order was flowering stage (FS)>flowering stage(FS) + pod filling stage(PFS)> podding stage(PS) >pod filling stage(PFS) > CK > branching stage(BS).Irrigation at FS could increase chlorophyll content and net photosynthetic rate (Pn)，while decrease stomatal conductance (Gs) and transpiration rate (Tr) of soybean leaves，so the WUEwas improved.The different phosphorus treatments under water stress at PFS indicated that certain amount of phosphorous (0-0.56 g pot-1) could increase Pnbut reduce the Tr，therefore，the WUE was increased.So it was suggested that irrigating only once at FS in practice.The irrigation amount should be 40 m3667 m-2，and cooperated phosphorus application was suggested.Thus，the photosynthetic characteristics，WUE and yield were improved.

参考文献/References:

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备注/Memo

基金项目：教育部新世纪优秀人才支持计划（NCET040264）；内蒙古自然科学基金（200408020302）

作者简介：武向良(1979-)，男，博士研究生。 E－mail: wxler@sohu.com
通讯作者：高聚林，教授，博士生导师，研究方向为作物生理生态及决策系统。E－mail: gaojulin@yahoo.com.cn

更新日期/Last Update: 2014-10-20